Abstract: The invention relates to a composition of ionisable fluoropolymers, in particular to polymer compositions comprising: a) at least one fluorinated ionisable polymer (A), which comprises recurring fluorinated blocks and recurring functional blocks, each of said recurring functional blocks comprising at least one ionisable anionic group, and in which polymer (A) at least one of the said recurring functional blocks is comprised between two fluorinated blocks; b) at least one fluorinated ionisable polymer (B), which comprises recurring fluorinated blocks and recurring functional blocks, each of said recurring functional blocks comprising at least one ionisable cationic group, and in which polymer (B) at least one of the said recurring functional blocks is comprised between two fluorinated blocks; wherein the ratio between the ionic equivalents of polymer (A) and the ionic equivalents of polymer (B) ranges from 1.1 to 0.9.

Abstract: The invention relates to (per)fluoropolyether block copolymers comprising: A) a fluoropolyoxyalkylene segment (chain Ra) comprising one or more units of formula (CHXCF2CF2O)— in which X is hydrogen or fluorine; B) a (per)fluoropolyoxyalkylene segment (chain Rf), that is to say a segment comprising recurring units having at least one catenary ether bond and at least one fluorocarbon moiety, said (per)fluoropolyoxyalkylene segment being different from chain Ra and having a molecular weight higher than 400 g/mol. These copolymers are endowed with improves lubricant properties or with improved water and oil-repellence properties.

Abstract: The invention relates to a hydroxy compound of formula (I) wherein n is an integer equal to or higher than 1 as an intermediate for the preparation of compounds of formulae (IIa) and (IIIb) as defined in the specification that can be used as water and oil resistance agents. The invention further relates to water and oil resistance compositions containing compounds (IIa) and (IIb).

Abstract: The invention relates to a protective film for a solar cell module, to a process for manufacturing said protective film and to a solar cell module comprising said protecting film, and to a method for protecting a solar cell module comprising using of such protective film.

Abstract: A process for purifying a polyol(per)fluoropolyether derivative [polyol (P)] from a mixture (M) of hydroxyl(per)fluoropolyether derivatives, such polyol (P) comprising one or more hydroxyl(per)fluoropolyether derivatives [PFPEs (OH)] comprising at least one (per)fluoropolyoxyalkylene chain (chain Rf) and at least one end-group having formula (t3): —CF2CH2OCH2CH(OH)CH2OCH2CH(OH)CH2OH, such mixture (M) comprising said polyol (P) and at least one hydroxyl(per)fluoropolyether derivative [PFPE (OH)] different from polyol (P) and comprising at least one chain Rf and at least one end-group selected from end-groups having formula (t1): —CF2CH2OH and formula (t2): —CF2CH2OCH2CH(OH)CH2OH.

Abstract: The invention pertains to certain (per)fluoropolyether triazine derivatives comprising at least one triazine group and at least one fluoropolyoxyalkene chain (chain Rf) comprising a fluorocarbon segment having ether linkages in main chain, said chain Rf comprising at least one hydroxyl group, to a method for their manufacture and to their use in lubrication, in particular for lubricating sliding or moving parts of magnetic recording media.

Abstract: The invention pertains to an aqueous composition comprising at least one mono-functional (per)fluoropolyether monoester phosphate having formula (I) here below: wherein: Rf is a C1-C5 (per)fluoroalkyl group optionally containing hydrogen and/or chlorine atoms; RF is a linear perfluoropolyoxyalkylene chain [chain (RF)]; X+ is a monovalent cation; Y is a —OH group or a —O? X+ group, wherein X+ has the same meaning as defined above; p is an integer equal to or higher than 1.

Abstract: The invention relates to a protective film for a solar cell module, to a process for manufacturing said protective film and to a solar cell module comprising said protecting and to a method for protecting a solar cell module comprising using of such protective film.

Abstract: A process for purifying a polyol(per)fluoropolyether derivative [polyol (P)] from a mixture (M) of hydroxyl(per)fluoropolyether derivatives, such polyol (P) comprising one or more hydroxyl(per)fluoropolyether derivatives [PFPEs (OH)] comprising at least one (per)fluoropolyoxyalkylene chain (chain Rf) and at least one end-group having formula (t3): —CF2CH2OCH2CH(OH)CH2OCH2CH(OH)CH2OH, such mixture (M) comprising said polyol (P) and at least one hydroxyl(per)fluoropolyether derivative [PFPE (OH)] different from polyol (P) and comprising at least one chain Rf and at least one end-group selected from end-groups having formula (t1): —CF2CH2OH and formula (t2): —CF2CH2OCH2CH(OH)CH2OH.

Abstract: A process for purifying a polyol (per)fluoropolyether derivative [polyol (P)] from a mixture of hydroxyl (per)fluoropolyether derivatives [mixture (M)]. Such polyol (P) comprising one or more hydroxyl (per)fluoropolyether derivatives [PFPE (OH)] comprising at least one (per)fluoropolyoxyalkylene chain (chain Rf) and at least one end-group having formula (t3)-CF2CH2OCH2CH(OH)CH2OCH2CH(OH)CH2OH. Such mixture (M) comprising the polyol (P) and at least one PFPE (OH) different from the polyol (P) and comprising at least one chain Rf and at least one end-group selected from end-groups having formula (t1)-CF2CH2OH and formula (t2)-CF2CH2OCH2CH(OH)CH2OH.

Abstract: A process for the manufacture of a functional (per)fluoropolyether derivative comprising at least one triazole group, such process comprising: (1) reacting a (per)fluoropolyether hydroxyl derivative having at least one hydroxyl group [derivative (PFPE-OH)] with an activating agent, to yield an activated (per)fluoropolyether hydroxyl derivative comprising at least one activated hydroxyl group [derivative (a-PFPE-OH)]; (2) reacting said activated (per)fluoropolyether hydroxyl derivative [derivative (a-PFPE-OH)] with at least one azide salt to yield a functional (per)fluoropolyether derivative comprising at least one azido group [derivative (PFPE-N3)]; and (3) reacting said functional (per)fluoropolyether derivative comprising at least one azido group [derivative (PFPE-N3)] with a hydrocarbon compound having a terminal alkyne group to yield a functional (per)fluoropolyether derivative comprising at least one triazole group [derivative (PFPE-azole)].